.firmware-update {
    margin: 10px;
    padding: 10px;
    background-color: #fff;
    height: calc(100vh - 100px);
    position: relative;
    .upload {
        position: absolute;
        width: 50%;
        height: 40vh;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
    }
    .update-record {
        position: absolute;
        bottom: 20px;
        right: 20px;
        font-size: 24px;
        color: #ccc;
    }
}